<template>
    <el-result title="404" sub-title="Sorry, request error">
        <template #icon>
            <img src="../assets/img/404.png" alt="">
        </template>
        <template #extra>
            <el-button type="primary" @click="$router.back()">返回</el-button>
        </template>
    </el-result>
</template>